GM Service Manual Online
For 1990-2009 cars only

Object Number: 1541899  Size: A1

The exterior lamps control is located on the instrument panel to the left of the steering wheel.

It controls the following systems:

    • Headlamps
    • Taillamps
    • Parking Lamps
    • License Plate Lamps
    • Instrument Panel Lights
    • Fog Lamps (If Equipped)

The exterior lamps control has four positions:

(Off): Turns the automatic light control on or off.

AUTO (Automatic): Automatically turns on the headlamps at normal brightness, together with the following:

    • Parking Lamps
    • Taillamps
    • License Plate Lamps
    • Instrument Panel Lights
(Parking Lamps): Turns on the parking lamps together with the following:

    • Taillamps
    • License Plate Lamps
    • Instrument Panel Lights
&(Headlamps): Turns on the headlamps together with the following lamps listed below. A warning chime will sound if the driver's door is opened when the ignition switch is off and the headlamps are on.

    • Parking Lamps
    • Taillamps
    • License Plate Lamps
    • Instrument Panel Lights
(Fog Lamps) (If Equipped): Turns on the fog lamps. See Fog Lamps .

Your vehicle is equipped with Daytime Running Lamps (DRL) and an Automatic Lamp Control (ALC). The headlamp control, located on the driver's side of the instrument panel, will turn off the ALC and DRL for one key-on cycle by momentarily turning the control knob counterclockwise. See your owner's manual for additional information on exterior lamp controls.

Your vehicle may be equipped with SEO 9G8 (Delete Daytime Running Lights and Automatic Headlights). With this option, exterior and interior lighting must be manually controlled (U.S. vehicles only).